cariole vs woolly hat

cariole

noun
  • A toboggan drawn by dogs, with a passenger or cargo compartment enclosed by skins or fabric, and a small platform at the rear. 

  • A small, light, open one-horse carriage. 

  • A kind of calash. 

  • A sleigh drawn by horses, with seats for a driver and possibly passengers. 

  • A covered cart. 

woolly hat

noun
  • an item of knitted headwear, without a brim or peak, made from wool or other fabrics. 

How often have the words cariole and woolly hat occurred in a corpus of books? (source: Google Ngram Viewer )